package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.lang.annotation.Retention;
import java.util.List;

/**
 * @author 徐扬文
 * @version 1.0
 */
@Slf4j
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品");
        dishService.saveWithFlavor(dishDTO);

        //删除缓存数据
        deleteCacheData("dish_" + dishDTO.getCategoryId());
        return Result.success();
    }
    /**
     * 菜品分页查询
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除:{}", ids);
        dishService.deleteBatch(ids);

        //将所有菜品的缓存数据删除，所有以dish_开头的缓存数据全部删除
        deleteCacheData("dish_*");
        return Result.success();
    }

    /**
     * 根据Id查询菜品信息
     */
    @GetMapping("/{id}")
    @ApiOperation("根据Id查询菜品信息")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据Id查询菜品信息:{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //删除缓存数据
        deleteCacheData("dish_*");
        return Result.success();
    }

    /**
     * 修改菜品启售停售状态
     */
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品启售停售状态")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("修改菜品启售停售状态：{}", id);
        dishService.startOrStop(status, id);
        //删除缓存数据
        deleteCacheData("dish_*");
        return Result.success();
    }

    /**
     * 根据分类Id查询菜品数据
     */
    @GetMapping("/list")
    @ApiOperation("根据分类Id查询菜品数据")
    public Result<List<DishVO>> list(Long categoryId){
        log.info("根据分类Id查询菜品数据:{}", categoryId);
        List<DishVO> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 删除所有缓存数据
     */
    private void deleteCacheData(String pattern){
        redisTemplate.delete(redisTemplate.keys(pattern));
    }
}
